Zinus 9 Inch Metal Smart Box Spring Queen
- Queen size, 9 inches high
- 700 pound weight recommendation
- Tool-free locking brackets, quick assembly
- Steel frame, fabric cover
- 5 year limited warranty
Last refreshed Sep 9, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A queen-size steel foundation that assembles without tools and covers the frame in fabric. It adds height to the bed, and the mattress should be a type that suits a box spring.
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ASIN: B09XM7TMX6Category: Box Springs
Sizes Available
Styles Available
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Overview
A steel frame with tool-free locking brackets folds out into a queen-size foundation, with a fabric outer cover wrapped over the top. Instructions are included, and the frame adds nine inches of height.
The reason to buy is a quick, tool-free setup and a high weight rating. The limitation is that it adds height to the bed and is not a platform base with slats, so mattress compatibility should be checked.
Who it's for
Renters, movers and anyone setting up a queen bed who dislikes assembling frames. Buyers with a very low bed frame or a mattress that requires slats should check fit first.
Pros and cons
- High weight recommendation
- Fabric cover over steel
- Easy to move when apart
- Adds nine inches of height
- Not a slatted platform
- Assembled weight is substantial
Performance notes
The steel frame carries the mattress load through the legs, while the fabric cover hides the metal and protects the mattress from contact with the frame. Locking brackets snap the sections together, which is what removes the need for tools. A stable frame needs the support legs fully locked.
Specifications
| Brand | Zinus |
|---|---|
| Dimensions & fit | |
| Compatible With Mattress Size | Queen |
| Maximum Weight Recommendation | 700 pounds |
| Item Dimensions L x W x H | 78.7"L x 59.5"W x 9"H |
| Assembled Height | 9 inches |
| Weight | 17.6 kg |
| Item Depth | 59.5 inches |
| Construction & materials | |
| Material Type | Alloy steel, fabric |
| Color | Grey |
| Finish Types | Unfinished |
| Furniture Finish | Gray |
| Included components | |
| Included Components | Steel frame, cover |
| Unit Count | 1 Count |
| Warranty & support | |
| Manufacturer Warranty Description | 5 year limited warranty |
| Other details | |
| Form Factor | Rectangular |
| Other Special Features of the Product | Quick assembly, tool-free locking brackets |
| Assembly Instructions Description | Included |
| Item Highlight | Mattress Foundation with Fabric Outer Cover, Strong Metal Frame, Easy Assembly |
| Item Type Name | Box Spring |
| Product Care Instructions | Wipe with Damp Cloth |
| Style Name | New/upgraded with quick assembly |
Closest rivals on specs
QEROMY 9 Inch High Profile Box Spring Queen- Item Weight 38.8 vs 10 pounds (+288%)
- Maximum Weight Recommendation 700 vs 3000 pounds (-77%)
EMODA 5 Inch Metal Box Spring with Cover Queen- Item Weight 38.8 vs 33 pounds (+18%)
- Item Depth 59.5 vs 5 inches (+1090%)
- Maximum Weight Recommendation 700 vs 1999.99 pounds (-65%)
DORITRON 9 Inch Heavy Duty Box Spring Queen- Item Weight 38.8 vs 29.4 pounds (+32%)
- Item Depth 59.5 vs 9 inches (+561%)
Frequently asked questions
What are the dimensions of the Zinus queen Smart BoxSpring?
The listing gives 78.7 inches long, 59.5 inches wide and 9 inches high.
Does the Zinus box spring need tools?
No. It has tool-free locking brackets for quick assembly, and instructions are included.
How much weight can the Zinus box spring hold?
The listing gives a weight recommendation of 700 pounds.
Is the Zinus Smart BoxSpring a platform bed?
No. It is a mattress foundation with a steel frame and a fabric cover, not a slatted platform bed.